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    SubjectRe: sysfs regression: wrong link counts
    Date
    On poniedziałek, 30 stycznia 2012 o 22:56:26 Jiri Slaby wrote:
    > Hi,
    >
    > I cannot boot properly with this commit:
    > commit 524b6c5b39b931311dfe5a2f5abae2f5c9731676
    > Author: Eric W. Biederman <ebiederm@xmission.com>
    > Date: Sun Dec 18 20:09:31 2011 -0800
    >
    > sysfs: Kill nlink counting.
    >
    >
    > 1) network systemd rule doesn't start network
    > 2) sensors complain:
    > sensors_init: Kernel interface error
    >
    > ad 2) look at what it does:
    > /* returns !0 if sysfs filesystem was found, 0 otherwise */
    > int sensors_init_sysfs(void)
    > {
    > struct stat statbuf;
    >
    > snprintf(sensors_sysfs_mount, NAME_MAX, "%s", "/sys");
    > if (stat(sensors_sysfs_mount, &statbuf) < 0
    >
    > || statbuf.st_nlink <= 2) /* Empty directory */
    >
    > return 0;
    >
    > return 1;
    > }
    >
    >
    > So this looks like it became a part of ABI we cannot break...
    >
    > A revert of this commit on the top of today's -next fixes the problem.
    >
    > thanks,

    I created a Bugzilla entry at
    https://bugzilla.kernel.org/show_bug.cgi?id=42712
    for your bug report, please add your address to the CC list in there, thanks!
    --
    Maciej Rutecki
    http://www.mrutecki.pl
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